The 2015 MW 7.1 Earthquake on the Charlie-Gibbs Transform Fault: Repeating Earthquakes and Multi-modal Slip on a Slow Oceanic Transform

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Kasey Aderhold, Rachel E. Abercrombie


The slow spreading rate Charlie-Gibbs Atlantic transform fault slips in large (M~7) quasi-repeating earthquakes. The foreshocks, aftershocks, and unilateral rupture of the 2015 earthquake are similar to a 1974 earthquake on the same transform. The findings of this study are consistent with transform earthquakes starting small near the ridge and large slip asperities nearer to the transform center.



Earth Sciences, Geophysics and Seismology, Physical Sciences and Mathematics


Earthquake source observations, earthquake, body waves, Transform faults, oceanic crust, Oceanic transform and fracture zone processes, Aftershock, Charlie-Gibbs, Foreshock, Mid-Atlantic Ridge, Oceanic transform faults


Published: 2017-11-04 13:28


Academic Free License (AFL) 3.0

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